Ash-sifter



(No Model.)

W. T. ADAMS.

ASH SIPTEB.

Patented Apr. 29, 1884'.

IN'VENTQR WITNESSES ATTORNEYS.

' UNITED ST TE PATENT OFFICE.

WILLIAM T. ADAMs, or BALTIMORE, MARYLAND.

A SH-SIFTER.

SPECIFICATION forming part of Letters Patent No. 297,737, dated April 2 9, 1884-.

' Application filed December 10, 1883. (No model.)

T0 at whom it may concern.-

Be it known that I, WILLIAM T. ADAMs, a citizen of the United States, residing at Baltimore city, State of Maryland, have invented certain new and useful Improvements in Ashs Sifters, of which the followingis adescription.

Figure lis a view of the device in the position occupied in sifting the ashes, the end of the case being removed. Fig. 2 is the same view, showing the position of the parts when dumping the coals; and Fig. 3 is a longitudinal section of the sifting-receptacle.

My invention relates to ash-Sifters of that class which are inclosed within a case or box to prevent the dust from escaping, and more particularly to that form of ash-Sifter which I have already described in my Patent No. 292,588, dated January 29, 1884.

The object of the present invention is to improve the form of the said sifter and increase its holding capacity Within a given size of box-space, as will be fully described hereinafter.

In the drawings, A represents the outer case or box, which is provided with a lid or cover, 13, hinged at the back at a. Just below. this lid and a little lower than the side walls of the box is a stationary or permanent top, 0, having a hole through it closed by a smaller hinged lid, D. p v V E is a screening-receptacle for coal-ashes, which is formed with solid heads at its ends, and a somewhat cylindrical body composed of galvanized wire-netting of amesh large enough to separate the unburnt coal from the ashes or it maybe of perforated sheet metal; This receptacle has an opening at its upper side, at d, through which the coal-ashes are inserted, and one of its sides is bent to form a spout, through which the coals are dumped after the ashes have been sifted away from'the same. This ash-receptacle is provided with a central shaft, E and said shaft is hung in the sides of the box or case, so as to permit the receptacle to be oscillated. Instead of a shaft running all the way through, trunnions at the ends may be employed. One of the heads, E of the ash receiver is connected by a link-bar, F, with the lid or cover B, so that the elevation of this cover turns the ash-receptacle so that its opening registers with the opening in the stationary top of the box, as shown in Fig. 1, to percoals and ashes.

mit ashes to be dumped from a hod into the screening-receptacle, which receptacle is oscillated to effect the screening of the coals from the ashes by the oscillation of the lid B,which imparts its motion to the screening-receptacle throughthe connecting link-bar F. To permit the lid D to shut down tight, the cover 0 is provided with a slot, 0, above one end of the receptacle, to givepassage to the-bar]; in con- 1 necting with the said receptacle.

In the lower part of the box or case is arranged a partition, G, which forms two receptacles, G G of which Gis for the refuse ashes, and G for the screened coal. In these receptacles G G", I may use drawers to receive the ashes and coal, or I may. use drawerswithout any dividing partition, as the adjacent sides of the drawers will sufficiently act as a partition.

Just above the coal-receptacle is a hinged leaf or chute-board, H, hinged at one end to the side of the box and extending downwardly to a position above the top of the partitionboard G, orthe separating-line between the This hinged leaf or chuteboard is connected by a link-bar, I, with one of the ends or heads, E, of the screening-recep- .tacle, and preferably the opposite head from the one which is connected to the lid. When the screening-receptacle is in position for sifting the ashes, this leaf H acts as a chute to conduct the ashes to the ash-compartment, and also as a cover tothe coal-receptacle to prevent ashes from getting mixed with the coal, and when the screened coal in the Sifter-receptacle is to be dumped this leaf is letdown by the turning of the sitter-receptacle to open the coal-receptacle and allow the coal to be dumped therein from the nearly-inverted sitter-receptacle.

In operating the device the lid B is raised, which brings the opening in the Sifter-receptacle intoregistration with the opening in the stationary top beneath lid B, and also causes the hinged leaf or chute-board to close the top of the coal-receptacle. raised and thrown back to a position where it acts asa supporting-brace to hold up lid B, while the coal is dumped from the hod into the screen or sifter receptacle. After this is done, the lid D is closed to make the the case -tight against the escape of dust, and the lid B The small lid D is then is vibrated. This imparts through the linkbar a vibratory action to the sifter-receptacle that separates the dust from the coal therein, and allows the dust to gravitate to the ash-receptacle. Then, to dump the coal out of the screen or sitter receptacle, the lid B is closed down. This action tlnOugh the link-bars inverts the said sitter-receptacle, and at the same time opens the top of the coal-receptacle and allows the coal to fall therein.

In defining the relation of this application to the patent already granted me I would state that I am aware that there are features in common to both, and I claim nothing in this case that is claimed in the other.

Having thus described my invention, what I claim as new is 1. The sitter or screen made in the shape of a cylindrical receptacle having a longitudinal opening, and hung centrally upon bearings in the case, combined with the case and bearings,

the lid B, and a link-bar connecting the two for oscillating and inverting the sifter, as shown and described.

2. The combination, with the case A and the hingedlid B, of the stationary top having smaller hinged lid D, adapted to sustain and form a brace for the lid B when they are opened, as described.

3. The combination, with a containing-case having two compartments in its bottom, of a hinged lid, B, a vibrating screen, a link-bar connecting the hinged lid to the vibrating screen,a hinged chute-board covering the e0a1- compartment, and a link-bar connecting the screen to the chute-board for the simultaneous operation of the lid B, screen, and chute-board, substantially as shown and described.

\VILLIAM T. ADAMS.

\Vitnesses:

IV. R. TUMBLINSON, JOSIAH S. SIIMAERE. 

